🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.3

Radius: 12.8

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.63 AU - 0.75 AU

Year: 376 Days

Day: 8.2 Hours

Environment

Temp: -131 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 60,173,221 km

• M1: 159,621 km (0.076 R)
• M2: 695,780 km (0.101 R)
• M3: 1,125,425 km (0.093 R)
• M4: 1,905,877 km (0.083 R)
• M5: 2,422,738 km (0.1 R)
• M6: 2,991,060 km (0.109 R)
• M7: 4,263,839 km (0.102 R)
• M8: 5,233,981 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.4

Radius: 12.8

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.76 AU - 0.96 AU

Year: 523 Days

Day: 9.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,173,221 km

• M1: 159,322 km (0.115 R)
• M2: 567,724 km (0.12 R)
• M3: 999,015 km (0.114 R)
• M4: 1,630,766 km (0.087 R)
• M5: 2,044,554 km (0.096 R)
• M6: 2,600,310 km (0.108 R)
• M7: 3,439,405 km (0.084 R)
• M8: 4,694,830 km (0.07 R)
• M9: 5,109,366 km (0.089 R)
• M10: 5,513,729 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.3

Radius: 12.1

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.36 AU - 4.32 AU

Year: 4936 Days

Day: 10.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,173,221 km

• M1: 151,543 km (0.117 R)
• M2: 559,795 km (0.116 R)
• M3: 1,038,658 km (0.092 R)
• M4: 1,577,958 km (0.106 R)
• M5: 2,801,968 km (0.077 R)
• M6: 3,623,560 km (0.111 R)
• M7: 4,082,077 km (0.097 R)
• M8: 4,863,726 km (0.071 R)
• M9: 5,312,669 km (0.037 R)
• M10: 6,418,796 km (0.111 R)
• M11: 7,093,632 km (0.097 R)
• M12: 8,402,912 km (0.043 R)
• M13: 8,831,809 km (0.103 R)
• M14: 10,104,289 km (0.114 R)
• M15: 11,090,887 km (0.061 R)
• M16: 11,607,598 km (0.114 R)
• M17: 12,530,916 km (0.07 R)
• M18: 14,092,119 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.3

Radius: 11.1

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.01 AU - 5.09 AU

Year: 6367 Days

Day: 10.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,173,221 km

• M1: 142,417 km (0.086 R)
• M2: 527,332 km (0.069 R)
• M3: 1,170,155 km (0.096 R)
• M4: 1,667,567 km (0.088 R)
• M5: 2,075,072 km (0.102 R)
• M6: 2,609,735 km (0.07 R)
• M7: 3,916,323 km (0.069 R)
• M8: 5,960,877 km (0.111 R)
• M9: 7,384,151 km (0.102 R)
• M10: 7,927,490 km (0.118 R)
• M11: 8,360,726 km (0.084 R)
• M12: 10,729,010 km (0.114 R)
• M13: 12,912,540 km (0.079 R)
• M14: 14,971,456 km (0.041 R)
• M15: 16,370,794 km (0.073 R)
• M16: 17,351,109 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.1

Radius: 10.3

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.3 AU - 6.64 AU

Year: 8392 Days

Day: 7.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 60,173,221 km

• M1: 128,056 km (0.057 R)
• M2: 580,889 km (0.034 R)
• M3: 978,220 km (0.056 R)
• M4: 1,314,217 km (0.064 R)
• M5: 1,928,017 km (0.074 R)
• M6: 2,468,215 km (0.106 R)
• M7: 2,932,417 km (0.097 R)
• M8: 3,335,584 km (0.059 R)
• M9: 4,010,121 km (0.093 R)
• M10: 6,661,743 km (0.096 R)
• M11: 7,606,902 km (0.109 R)
• M12: 7,941,104 km (0.044 R)
• M13: 8,328,861 km (0.099 R)
• M14: 10,358,905 km (0.071 R)
• M15: 10,718,089 km (0.096 R)
• M16: 11,353,282 km (0.079 R)
• M17: 12,582,976 km (0.089 R)
• M18: 13,170,447 km (0.055 R)
• M19: 13,961,221 km (0.104 R)
• M20: 14,590,879 km (0.086 R)
• M21: 17,015,411 km (0.114 R)
• M22: 17,880,087 km (0.068 R)
• M23: 18,472,495 km (0.071 R)
• M24: 21,137,880 km (0.06 R)
• M25: 30,133,200 km (0.074 R)
• M26: 31,397,900 km (0.112 R)
• M27: 31,827,246 km (0.04 R)
• M28: 40,115,267 km (0.093 R)
• M29: 42,293,562 km (0.112 R)
• M30: 43,611,220 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 629.1

Radius: 7.7

Gravity: 10.61 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 7.15 AU - 8.73 AU

Year: 14677 Days

Day: 15.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,173,221 km

• M1: 95,892 km (0.101 R)
• M2: 385,813 km (0.073 R)
• M3: 660,175 km (0.096 R)
• M4: 1,414,597 km (0.053 R)
• M5: 2,082,851 km (0.056 R)
• M6: 3,188,529 km (0.112 R)
• M7: 4,389,650 km (0.095 R)
• M8: 5,248,342 km (0.099 R)
• M9: 5,981,671 km (0.103 R)
• M10: 7,163,793 km (0.086 R)
• M11: 9,090,614 km (0.06 R)
• M12: 10,036,671 km (0.044 R)
• M13: 13,268,134 km (0.059 R)
• M14: 18,986,064 km (0.101 R)
• M15: 24,048,007 km (0.064 R)
• M16: 36,731,064 km (0.051 R)
• M17: 42,305,979 km (0.059 R)
• M18: 43,166,316 km (0.071 R)
• M19: 45,517,845 km (0.057 R)
• M20: 46,724,950 km (0.103 R)
• M21: 48,263,714 km (0.099 R)
• M22: 50,154,631 km (0.089 R)
• M23: 55,266,689 km (0.084 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 11,716 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit